rem meaning

• Noun: REM
  1. A recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
     - paradoxical sleep, rapid eye movement sleep, REM sleep, rapid eye movement 
  2. (Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays

  Type of: radioactivity unit, sleep, slumber

  Encyclopedia: REM

• 
  [Architecture]
  

  On drawings, abbr. for “removable.”

• 
  [Defence]
  roentgen equivalent mammal
• 
  [Electronics]
  Acronym for roentgen equivalent man, an amount of ionizing radiation having the same effect on the body as a one-roentgen dose of gamma or X radiation.
  

[Medicine]
n : the dosage of an ionizing radiation that will cause the same biological effect as one roentgen of X-ray or gamma-ray dosage —compare REP
REM
n : RAPID EYE MOVEMENT

• 
  [Computer]
  <programming> (From "remark") The keyword used in BASIC to introduce a comment (which continues to the end of the line). MS-DOS probably borrowed it from BASIC. Might be used in the form "REM out" meaning to comment out.

• in rem:     /in rem/  &n ...
• ad rem:    Adjective: ad rem( ...
• in rem jurisdiction:    [Law]Rem is Latin ...

Examples

1. tonic state in rem sleep, tonic rem sleep
2. tonic state in rem sleep, tonic rem sleep
3. an analysis of action in rem in maritime procedure law
4. rapid-eye-movement sleep, rem sleep
5. it was a persuasive ad rem argument